FOSSIL, OREGON

Period of Record General Climate Summary - Heating Degree Days

Station:(353038) FOSSIL
From Year=1923 To Year=2012
Heating Degree Days for Selected Base Temperature (F)
Base Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Annual
65 991 790 748 578 395 209 76 80 215 468 749 939 6238
60 836 649 593 430 255 103 24 23 108 320 599 784 4722
57 743 564 500 343 180 58 9 8 64 238 509 691 3907
55 681 508 439 288 137 36 4 4 42 188 450 629 3404
50 527 369 290 163 54 7 0 0 13 92 307 475 2297
Heating Degree Day units are computed as the difference between the base temperature and the daily average temperature. (Base Temp. - Daily Ave. Temp.) One unit is accumulated for each degree Fahrenheit the average temperature is below the base temperature. Negative numbers are discarded. Example: If the days high temperature was 65 and the low temperature was 31, the base 50 heating degree day units is 50 - ((65 + 31) / 2) = 2. This is done for each day of the month and summed.
Table updated on Oct 31, 2012
Months with 5 or more missing days are not considered
Years with 1 or more missing months are not considered

Western Regional Climate Center, wrcc@dri.edu